Comparison

Shift Calendar vs FLEX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Shift Calendar

Easily manage your work schedule with customizable shifts, rotations, and earnings tracking. This app simplifies planning and provides clear visual overviews of your work commitments. Export reports and sync with your calendar for seamless organization.

Highlights
  • Customizable shift icons and colors
  • Automated custom shift rotations
  • Track weekly and monthly earnings
  • Export reports to PDF or spreadsheet
  • iOS Calendar and iCloud sync
  • Today extension widget for upcoming shifts
  • Dark mode support
Features
Read full description

EASY SHIFT INPUT Adding a shift is as simple as tapping on the calendar. An entire month could be filled up in a few seconds. Feel free to customize all the icons with a variety of colors. This way, you can see your schedule without any confusion! CUSTOM ROTATIONS The app also includes a rotation feature, so you don’t have to add all shifts manually, which is very helpful. Just create a rotation and you can populate a year of schedule in a few seconds. TRACK YOUR EARNINGS Shift Calendar also helps you track your earnings. You can see the monthly and weekly hours of work time for each day as well as breakdowns of your earnings. TONS OF HELPFUL FEATURES Shift Calendar allows you to export a monthly report as a PDF or spreadsheet. It also comes with a dark mode, complete iCal and iCloud support, today extension widget. All you have to do is to give our app a try and adapt it to your schedule. Key Features: · Customizable icons · Custom rotations · Add notes for each event · Keep track of your earnings · Add break time for your shifts · Export a report to PDF or spreadsheet (Excel) · iOS Calendar sync and iCloud sync · See your upcoming shifts through widgets · Dark mode Additional features: · Push notifications for shift events · Add up to 3 shifts per day · 12-hour support Shift Calendar’s unique customization features bring you all the necessary support and assistance as you try to plan your schedule at a professional level! If you always wanted to handle your shifts quickly and simply, don’t hesitate and give Shift Calendar, the ultimate shift planner a try today. This is the ultimate shift planner for shift workers and it makes it easier than ever to track your work schedule from your phone. It’s fast, convenient and it offers you all the necessary support and assistance you need without the hassle. Privacy Policy: https://www.iubenda.com/privacy-policy/90542716 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

FLEX

Features
Read full description

MAJOR introduces the FLEX-MAT Sensor, a valuable and easy-to-operate vibration data measurement tool users can utilize to review results and fine-tune their screen machine without shutting down their equipment.

Screenshots

Shift Calendar4 screens
FLEX4 screens

Verdict

The call

The clearest difference is in-app purchases: FLEX at none against Shift Calendar's 5. FLEX also leads on iOS requirement (10.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Shift Calendar sells 4 in-app purchases, starting at $2.99 per year. FLEX asks for nothing beyond the download.

UpkeepUpdate frequency

Shift Calendar ships an update every 2 weeks, FLEX every 9 days. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
Shift Calendar versus FLEX: the parameters behind the verdict, then further details
ParameterShift CalendarFLEX
PriceFreeFree
Rating4.8 (321 ratings) — better—
Positive reviews64.6% of reviews—
Number of ratings321 — better—
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.010.0 — better
Further details — not scored
Size40 MB23 MB
Age rating4+4+
DeveloperArife Tuba BaskurtIndustries Fil Metallique Major Ltee, Les

Bugs and requests

Shift Calendar

Reported bugs

5 issues
  • App crashes after recent update
  • Calendar dates not displaying correctly
  • Unable to edit or delete shifts
  • Additional pay conditions causing issues with regular hours
  • Color customization feature not working as expected

Requested features

5 requests
  • Add option for biweekly pay periods
  • Implement overtime pay calculations based on daily hours
  • Allow sharing of calendars between users
  • Expand color and icon options
  • Improve widget functionality

FLEX

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Shift Calendar

Subscriptions2
  • Shift Calendar Pro$2.991 Year
  • Shift Calendar Pro$4.991 Year
One-time2
  • Shift Calendar Pro$2.99
  • Shift Calendar Pro2 variants$6.99
None

FLEX

No in-app purchases

Questions

Is Shift Calendar free?
Shift Calendar is free to download, with in-app purchases available.
Is FLEX free?
FLEX is free to download, with no in-app purchases.
Do Shift Calendar or FLEX have ads?
Neither Shift Calendar nor FLEX shows ads.
Which is updated more often, Shift Calendar or FLEX?
Shift Calendar ships an update every 2 weeks, and FLEX every 9 days. Most recently, Shift Calendar was updated on October 12, 2026 and FLEX on October 5, 2026.

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